Worlds Next Door. V. A Candidate Solar System Scale Super-Jupiter in the 61 Cygni Binary System

arXiv:2609.32893 · astro-ph.EP, astro-ph.SR · Submitted 2026-09-26 · Read on arXiv

astro-ph.EP, astro-ph.SR

Submitted: 2026-09-26

Updated: 2026-09-26

Code: https://github.com/kareemelbadry/gaiamock

Terminology

• N-body simulations — 5× in this paper · explained in 2 episodes
• Trace — 3× in this paper · explained in 2 episodes
• Core — 2× in this paper · explained in 2 episodes
• Metallicity — 2× in this paper · explained in 3 episodes
• Society of Photo-Optical Instrumentation Engineers — 2× in this paper
• Calibration — 1× in this paper · explained in 7 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• M High Performance Research Computing — 1× in this paper
• NEID Data Reduction Pipeline — 1× in this paper
• Summer Program in the Other Worlds Laboratory — 1× in this paper

Sources

• Searching for Habitable Exoplanets with Relative Astrometry (SHERA). I. The Case for Searching for Planets in Binary Star Systems
• A generative model for Gaia astrometric orbit catalogs: selection functions for binary stars, giant planets, and compact object companions
• Habitable Worlds Observatory's Concept and Technology Maturation: Initial Feasibility and Trade Space Exploration
• The Habitable Exoplanet Observatory (HabEx) Mission Concept Study Final Report
• NASA Exoplanet Exploration Program (ExEP) Mission Star List for the Habitable Worlds Observatory (2023)
• The Sonora Substellar Atmosphere Models. VII. Flame Skimmer: Cloud-free Atmospheric and Evolutionary Models for the Coldest Substellar Objects
• Are these planets or brown dwarfs? Broadly solar compositions from high-resolution atmospheric retrievals of ~10-30 $M_\textrm{Jup}$ companions

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